body {
  display: flex;
  flex-direction: column;
  align-items: center;
}
body header {
  width: 90%;
  line-height: 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ccc;
}
body header .text {
  font-size: 20px;
  font-weight: bold;
  color: #008cff;
  border-bottom: 2px solid #4fadfa;
}
body header .addition {
  width: 25%;
  height: 30px;
  color: #000;
  background: #4fadfa;
  border-radius: 20px;
}
body main {
  flex: 1;
  width: 90%;
  display: flex;
  flex-direction: column;
  overflow-y: scroll;
}
body main .course {
  width: 100%;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  background: #fff;
}
body main .course .txt {
  line-height: 30px;
  flex-shrink: 18px;
  margin: 10px 0;
}
body main .course .img {
  width: 100%;
  height: 200px;
  background: url('../../assets/imgs/part4.png') no-repeat center;
  background-size: cover;
  box-shadow: 1px 1px 5px 0 #000;
  border-radius: 15px;
  overflow: hidden;
  position: relative;
}
body main .course .img .texts {
  width: 100%;
  height: 50px;
  background: rgba(255, 255, 255, 0.8);
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0 20px;
  font-size: 14px;
}
body main .course .img .texts .txtTop {
  font-size: 18px;
}
body main .dynamicMax {
  width: 100%;
  min-height: 400px;
  background: #ccc;
  display: flex;
  flex-direction: column;
}
body main .dynamicMax .dynamicBox {
  width: 100%;
  height: 375px;
  background: #fff;
  display: flex;
  flex-direction: column;
}
body main .dynamicMax .dynamicBox .boxTOP {
  padding-top: 30px;
  display: flex;
  align-items: center;
}
body main .dynamicMax .dynamicBox .boxTOP .headimg {
  width: 50px;
  height: 50px;
  background: url('../../assets/imgs/dog.jpg') no-repeat center;
  background-size: cover;
  border-radius: 30px;
}
body main .dynamicMax .dynamicBox .boxTOP .name {
  padding-left: 10px;
}
body main .dynamicMax .dynamicBox .boxTxt {
  display: flex;
  flex-direction: column;
  align-items: center;
}
body main .dynamicMax .dynamicBox .boxTxt .texts {
  padding-top: 20px;
  width: 95%;
}
body main .dynamicMax .dynamicBox .boxTxt .texts button {
  color: #6b6b6b;
}
body main .dynamicMax .dynamicBox .boxImg {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  align-content: space-around;
  width: 100%;
  height: 240px;
}
body main .dynamicMax .dynamicBox .boxImg .img {
  width: 30%;
  height: 100px;
  background: #f60;
}
